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DB Module Week 2 HWProblems Page 1 Database Management Systems Design DATABA Module Week 2 HW Problems 10th Edition International Edition 9th Edition Page 98, Questions 18,19&20 Page 104, Questions 11a,b,c Page 91, Questions 18,19&20 1. Suppose that you are using the database composed of the two tables shown in Figure Q3.18. Identify the primary keys. Identify the foreign keys. Draw the entity relationship model. FIGURE Q3.18 The Ch03_Theater Database Tables Database Table name: DIRECTOR name: Ch03_Theater Table name: PLAY DB Module Week 2 HWProblems Page 2 10th Edition International Edition 9th Edition Page 100, Problem 11 Page 106, Problem 2 (ignore UML notation) Page 94, Problem 11 2. Include a Word attachment with your drawing in it. Draw the entity relationship diagram for the relationship between EMPLOYEE and JOB. Employee EMP_CODE | EMP_LNAME | JOB_CODE 14 Rudell 2 15 McDade 1 16 Ruellardo 1 17 Smith 3 20 Smith 2 Benefit EMP_CODE | PLAN_CODE 15 2 15 3 16 1 17 1 17 3 17 4 20 3 Job JOB_CODE | JOB_DESCRIPTION 1 Clerical 2 Technical 3 Managerial Plan PLAN_CODE | PLAN_DESCRIPTION 1 Term Life 2 Stock Purchase 3 Long-life disability 4 Dental DB Module Week 2 HWProblems Page 3 10th Edition International Edition 9th Edition Page 100, Problem 13 Page 106, Problem 3 Page 94, Problem 13 3. Do the tables exhibit entity integrity? Answer Yes or No, and then explain your answer. TABLE ENTITY INTEGRITY EXPLANATION EMPLOYEE BENEFIT JOB PLAN 10th Edition International Edition 9th Edition Page 100, Problem 14 Page 107, Problem 4 Page 94, Problem 14 4. Do the tables exhibit referential integrity? Answer Yes or No, and then explain your answer. Write NA (Not Applicable) if the table does not have a foreign key. TABLE REFERENTIAL INTEGRITY EXPLANATION EMPLOYEE BENEFIT JOB PLAN 10th Edition International Edition 9th Edition Page 100, Problem 15 Page 107, Problem 5 Page 94, Problem 15 5. Include a Word attachment with your drawing in it. Draw the entity relationship diagram to…
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